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  • 1
    Online Resource
    Online Resource
    San Diego :Elsevier Science & Technology,
    Keywords: Solids. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (443 pages)
    Edition: 1st ed.
    ISBN: 9781483290300
    Language: English
    Note: Front Cover -- Current Topics in Amorphous Materials: Physics & -- Technology -- Copyright Page -- Table of Contents -- Preface -- Part 1: MATERIALS PHYSICS AND CHEMISTRY -- Introduction -- Chapter 1. Static structure of amorphous solids and liquids by pulsed neutron diffraction -- 1. Introduction -- 2. Geometrical short-range order and chemical short-range order in metallic glass -- 3. Short-range structure of network-forming glasses -- 4. Orientational correlations and packing of molecules in molecular liquids -- References -- Chapter 2. Characterization of the environmental structure of disordered materials using anomalous X-ray scattering -- 1. Introduction -- 2. Fundamentals of the AXS method -- 3. Selected examples of structural study of disordered materials by the AXS method -- 4. Concluding remarks -- References -- Chapter 3. Characterization of the medium-range dynamic structure of palladium-metalloid amorphous alloys by pulsed neutron inelastic scattering -- 1. Introduction -- 2. Pulsed neutron inelastic scattering -- 3. High-resolution radial distribution function -- 4. Trigonal prismatic structural unit -- 5. Medium-range low-energy locally collective motion -- 6. Concluding remarks -- References -- Chapter 4. Structural fluctuation in microclusters -- 1. Introduction -- 2. Simulations -- 3. Results -- 4. Scenario for the structural fluctuations -- Acknowledgement -- References -- Chapter 5. Medium-range atomic ordering in amorphous alloys studied by high-resolution electron microscopy -- 1. Introduction -- 2. Direct imaging of MRO structures -- 3. Amorphous structures depending on formation condition and composition -- 4. Outlook -- References -- Chapter 6. Medium-range structure and relaxation in chalcogenide glasses investigated by Raman scattering -- 1. Introduction -- 2. Vibrational spectra in glassy GeSe2. , 3. Vibrations in crystalline GeSe2 -- 4. Disorder in GeSe2 small crystals and the medium-range structure in amorphous GeSe2 -- 5. Laser-induced and thermally annealed crystallization -- 6. Summary -- Acknowledgements -- References -- Chapter 7. Topological disorder in medium-range structure of amorphous solids and quasicrystals -- 1. Introduction -- 2. Ring of tetrahedra and octahedra -- 3. Cells in the 3-D network showing the connectivity of T and O -- 4. Structure of amorphous metals -- 5. Structure of icosahedral quasicrystals -- References -- Chapter 8. Structure and properties of quasicrystals -- 1. Introduction -- 2. Development of new quasicrystalline phases -- 3. Structural analyses -- 4. Electronic structure and stability of quasicrystals -- 5. Physical properties -- 6. Final remarks -- References -- Chapter 9. A unified picture for electron scattering mechanisms in amorphous alloys and quasicrystals -- 1. Introduction -- 2. Electron-transport properties of amorphous alloys -- 3. Electron transport properties of sp-electron quasicrystals -- 4. Conclusion -- Acknowledgements -- References -- Chapter 10. Electronic states and chemical bonds in amorphous alloys -- 1. Introduction -- 2. Chemical bonding in TM-M alloy glasses -- 3. Chemical orders and bonding in ternary alloy glasses -- 4. Electronic structures of amorphous ETM-LTM alloys -- 5. Chemical bonding in hydrogenated amorphous alloys -- 6. Summary -- Acknowledgements -- References -- Chapter 11. Current topics in the magnetism of amorphous transition metals and alloys -- 1. Introduction -- 2. Forming ability of 3d transition metal amorphous alloys -- 3. Magnetic phase diagram of RE-Fe alloy system -- 4. Magnetic state in amorphous Fe, Co and Ni -- 5. Spin-glass state in RE-Fe alloys -- 6. Magnetovolume effects in RE-Fe alloys -- 7. Amorphous alloys consisting of icosahedral clusters. , 8. Summary -- References -- Part 2: AMORPHOUS MATERIALS -- Chapter 12. Amorphous metals -- 1. Introduction -- Chapter 13. Solid state amorphization by hydrogen absorption -- 1. Introduction -- 2. Structural changes of intermetallic compounds by hydrogen absorption and the formation of amorphous phases -- 3. The mechanism of amorphization by hydrogen absorption -- 4. The factors controlling hydrogen-induced amorphization -- 5. Summary and conclusions -- References -- Chapter 14. Solid-state amorphization by irradiation -- References -- Chapter 15. Solid-state amorphization: interdiffusion of multilayers -- 1. Introduction -- 2. Kinetics of the SSAR in diffusion couples -- experimental results -- 3. Why does a metastable amorphous phase grow prior to a stable crystalline phase? -- 4. Other aspects of the SSAR -- References -- Chapter 16. Amorphization by chemical reduction -- References -- Chapter 17. Amorphous plating -- 1. Introduction -- 2. Kinds of amorphous alloys prepared by the plating method [12] -- 3. Mechanism of amorphous formation by the plating method [12] -- 4. Application of amorphous plating -- 5. Methods for research on amorphous plating [7,12] -- References -- Chapter 18. Atomized powders and consolidation -- 1. Introduction -- 2. Production methods of amorphous alloy powders -- 3. Cooling rate of amorphous powders produced by gas atomization -- 4. Thermal stability of atomized powders -- 5. Consolidation -- 6. Conclusion -- References -- Chapter 19. Light-metal based amorphous alloys -- 1. Introduction -- 2. Alloy compositions of Al- and Mg-based amorphous alloys -- 3. Mechanical strength -- 4. Supercooled liquid above Tg and its thermal stability -- 5. Production of high-strength amorphous bulks by a metallic mold casting method. , 6. Increase of tensile strength of Al-based amorphous alloys by dispersion of ultrafine fcc-Al particles -- 7. Production of Al-based crystalline alloys with ultrafine grain sizes by extrusion of amorphous powders -- 8. Conclusion -- References -- Chapter 20. Chemical properties - corrosion, electrochemistry and catalysis -- 1. Introduction -- 2. Corrosion-resistant alloys -- 3. Electrodes for electrolysis of aqueous solutions -- 4. Electrodes for fuel cells -- 5. Catalysis -- 6. Preparation methods for chemical applications -- 7. Concluding remarks of chemical properties -- References -- Chapter 21. Nanocrystalline alloys produced by crystallization of amorphous alloys -- 1. Importance and control method of nanostructure -- 2. Amorphous phase containing dispersed nanoscale particles and high mechanical strength -- 3. Formation of nanostructure by annealing and appearance of soft magnetic characteristics -- 4. Conclusion -- References -- Chapter 22. Application of amorphous superconductors to liquid-helium level indicators -- 1. Introduction -- 2. Amorphous superconductors -- 3. Principle of the liquid-helium indicator -- 4. Characterization of amorphous superconducting alloys as sensor -- 5. Liquid-helium level sensor at higher pressures -- References -- Chapter 23. Mechanical application -- 1. Introduction -- 2. Hardness, tensile strength and Young's modulus of amorphous metals -- 3. Effect of cold working on mechanical properties of amorphous metals -- 4. Fatigue strength of amorphous metals -- 5. Applications -- 6. Concluding remarks -- References -- Part 3: PROGRESS IN MAGNETIC MATERIAL AND APPLICATIONS -- Introduction -- Chapter 24. Amorphous ribbon -- 1. Introduction -- 2. Fabrication of ultra-thin Co-based amorphous ribbons -- 3. Soft magnetic properties of ultra-thin Co-based ribbons -- References -- Chapter 25. Amorphous wire. , 1. Introduction -- 2. Alloy systems of amorphous wire -- 3. Magnetic properties of amorphous magnetostrictive wires -- 4. Large Barkhausen and Matteucci voltage pulse of amorphous magnetostrictive wires -- 5. Magnetic properties of amorphous wires with zero magnetostriction -- 6. Conclusions -- References -- Chapter 26. Soft magnetic film -- 1. Fabrication of amorphous films with soft magnetic properties -- 2. Co-metal amorphous films -- 3. Modification of the films for practical use -- References -- Chapter 27. Amorphous RE-TM film -- 1. Introduction -- 2. Magnetic moment -- 3. Curie temperature -- 4. Magneto-optic effect -- 5. Magnetic anisotropy -- 6. Exchange-coupling -- 7. Summary -- References -- Chapter 28. Garnet film -- 1. Introduction -- 2. Magnetic anisotropy -- 3. Magneto-optical effect -- 4. Films fabricated by pyrolysis -- 5. Crystallization kinetics of garnet films prepared by pyrolysis -- References -- Chapter 29. Giant magnetic moment of epitaxially grown Fe16N2 films -- 1. Introduction -- 2. Epitaxial growth of Fe16N2 -- 3. Magnetism of Fe16N2 -- 4. Conclusions -- References -- Chapter 30. Oxide magnetic film -- 1. Introduction -- 2. Principle and methods of ferrite plating -- 3. Results of ferrite plating -- 4. Applications of ferrite plating films -- 5. Conclusion -- References -- Chapter 31. Super fine crystal material -- 1. Introduction -- 2. Microstructure -- 3. Magnetic properties -- 4. Mechanism of soft magnetic properties -- 5. Summary -- References -- Chapter 32. Hard magnetic materials -- 1. Introduction -- 2. Melt-quenched magnets -- 3. A new ternary intermetallic compound -- 4. Sintered magnet -- 5. Future aspects -- References -- Chapter 33. Artificial superstructure films -- 1. Introduction -- 2. Fe/Mg multilayers [3] -- 3. Fe/Nd multilayers [4] -- 4. Summary -- References -- Chapter 34. Ion-implanted film. , References.
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 105 (1990), S. 30-34 
    ISSN: 0942-0940
    Keywords: Cerebral blood flow ; moyamoya disease ; internal carotid artery occlusion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A study has been made of the cerebral blood flow (CBF) in moyamoya disease from the perspective of hemispheric cerebral blood flow and regional CBF (rCBF). The material includes 21 children between the ages of 5 and 15 years with moyamoya disease, and 19 adult moyamoya cases-all of which had virtually no neurological symptoms at the time of the study. CBF was measured using the133Xe intravenous injection method. Comparsion was made with the measurements from 16 normal children and 14 normal adults. Study was also made of the relationship between the angiographic stage of the disease and the CBF. With the exception of the more elderly patients, CBF was found to be significantly lower in the moyamoya cases than in normal subjects of the same age group. In all age groups, the distribution of rCBF showed a dominant posterior distribution, dissimilar to the dominant anterior distribution found in the normals. Among the juvenile moyamoya cases, there was a tendency toward decreasing hemispheric blood flow together with advancing disease-as determined angiographically. Moreover, with advancing stages of the disease, there was a continuing transition from the normal pattern of frontal dominance to one of occipital dominance. This dominance of posterior rCBF is thought to be a characteristic feature of moyamoya disease.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1459
    Keywords: Anticoagulant therapy ; Non-valvular atrial fibrillation ; Cerebral embolism ; Recurrent stroke
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary For the prevention of recurrent embolic stroke, 23 elderly patients with non-valvular atrial fibrillation (NVAF) were treated with oral anticoagulants (warfarin) during a mean period of 3.8 years. Only one patient suffered recurrent embolism, and another had acute myocardial infarction. There was no cerebral haemorrhage during the treatment. In an untreated control group (from an autopsy series), recurrent embolic strokes occurred in 18 of 70 NVAF patients (26%) during a mean period of 1.3 years. Long-term anticoagulant therapy appears to be effective in the prevention of recurrent embolic stroke in elderly patients with NVAF.
    Type of Medium: Electronic Resource
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